*{
    margin: 0px;
    padding:0px
}



#head{
    width: 100% ;
    height: 45px;
    border-top: 14px solid rgb(53, 99, 224);
    border-bottom: 3px solid rgb(228, 228, 228);
    background-color: rgb(76, 114, 219);
}
.left {
    margin-left: 20px;
    float: left;
   
  }
  
  .right {  
    
    float: right;
    margin-right: 150px; 
  }
#head a{ 
      display:inline-block;
      height:46px;
      /* 去掉文本的下划线 */
      text-decoration: none;
      color:#000000;
      line-height:46px;
      padding: 0px 25px;
      font-size: 20px;
      
    }

#head a:hover {
        color: #FF0000; /* 替换为你想要的颜色值 */
      }

#tail_img{
    position: relative;
    height: 300px; /* 替换为适当的高度值 */
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
}


body {
  background-color: rgba(230, 255, 255,50%); /* 替换为你想要的颜色值 */
}

#one{
  width: 550px;
  height: 650px;
  background-color: white;
  position: absolute;
  left: 50%;
  top: 90px;
  transform: translate(-50%);
  border-radius: 10px;
}

#use_phone {
  width: 340px;
  height: 35px;
  background-color: white;
  border: 1px solid gray;
  padding: 2px;
  transition: border-color 0.3s ease-in-out;
  position: absolute;
  left: 100px;
  top: 100px;
  border-radius: 10px;
}



#id_order {
  width: 340px;
  height: 35px;
  background-color: white;
  border: 1px solid gray;
  padding: 2px;
  transition: border-color 0.3s ease-in-out;
  position: absolute;
  left: 100px;
  top: 170px;
  border-radius: 10px;
}


#ontent {
  width: 340px;
  height: 250px;
  background-color: white;
  border: 1px solid gray;
  padding: 2px;
  transition: border-color 0.3s ease-in-out;
  position: absolute;
  border-radius: 10px;
  left: 100px;
  top: 240px;
  resize: none;
  line-height: normal;
  padding-top: 18px; /* 调整此值以控制垂直对齐位置 */
  font-size: 16px; /* 可选：调整字体大小 */
}


#submit {  width: 340px;
  height: 40px;
  position: absolute;
  left: 100px;
  top: 550px;
  border: 1px solid gray;
  padding: 2px;
  transition: border-color 0.3s;
  
}
.form {
  border-radius: 10px;
  background-color: #2a75fe;
}

.form:hover {
  background-color: #4b95ff;
}



